SQL SERVER 2016 HOSTING – How to Import Files To Sql Server Table [SSIS]

How to Import Files To Sql Server Table

What is SSIS?

Microsoft SSIS (SQL Server Integration Services) is an enterprise data integration, data transformation and data migration tool that is built into Microsoft’s SQL Server database. It can be used for a variety of integration-related tasks, such as analyzing and cleansing data and running extract, transform and load processes to update data warehouses.

We have different types of files such as Text, Pdf, Image, Excel etc and we want to load them into Sql Server Table. First of all, let’s create a table that can store these files. FileName column will be used to store the location from which the file is imported and File itself will be stored in File column whose data type is Varbinary.
We will use For-each loop container to loop through the files and Import Column Transformation to load these files into table.

Create Variable in SSIS

Create a variable of string type in SSIS Package with name “VarSourceFolder” and value = Folder Path.

Configure Contrl Flow Pane

Bring the For-each loop container to Control Flow Pane and configure as shown below to loop through all the files. We will be using VarSourceFolder as Directory in For-each loop. Go to Variable Mapping and then create a new variable VarFileName to save File name with extension.

Create VarSQLQuery Variable

Create a variable VarSQLQuery. We will write expressions on this variable to build TSQL Statement. The statement will contain complete path to file that we will pass to Import Column.

Expressions :

Double Click on Data Flow Task

Bring Data Flow Task inside For-each Loop Container. Double Click on Data Flow Task and then Bring OLE DB Source and in SQL Statement provide the VarSQLQuery

Import Column Transformation

Drag Import Column Transformation and connection OLE DB Source to it. After connecting, Double Click on Import Column and go to Input Columns Tab and Choose input column (FileName)

Input and Output Properties

Go to Input and Output Properties, Then Output Columns and Add a new column “File” and note down the LienageID. The LineageID for File column in our case is equal to 85.

Set Customer Properties

Click on FileName under Input Columns and then under Customer Properties. Set FileDataColumnId=85.

Map Input Columns

Bring OLE DB Destination and map input columns to destination table. FileName is going to contain File name with source path and File column will contain file data itself.

Final

Execute SSIS Package and query the table to see if all information is loaded.

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